Look, this is ultimately about who gets the say on what gets taught in the classrooms. It's a battle to use government authority to teach (and not teach) things you disagree with. Let's take the battle out of that arena and put choice in the hands of the parents - that's the ONLY way to end the internal squabbling.
You teach "science" in the science classes, not pseudo science. There is no "equal time" when it comes to science classes.